Thirty Definition
thûrtē
thirties
noun
thirties
The cardinal number between twenty-nine and thirty-one; 30; XXX.
Webster's New World
A decade or the numbers from 30 to 39.
They settled down in their thirties. The temperature fell into the thirties.
American Heritage
This number used to signify the end of a dispatch, story, etc., as for a newspaper.
Webster's New World
The decade from 30 to 39 in a century.
American Heritage
The second point that is scored by one side in tennis.
American Heritage
idiom
the thirties
- the numbers or years, as of a century, from thirty through thirty-nine
Webster's New World
Idioms, Phrasal Verbs Related to Thirty
- the thirties
Origin of Thirty
-
From Middle English thirty, metathetic alternant of Middle English thritti, þrittiȝ, from Old English þritiÄ¡ (“thirty"), from Proto-Germanic *þrÄ«z tigiwiz (“thrity", literally “three tens"), equivalent to three +"Ž -ty. Cognate with Scots therty, tretty (“thirty"), West Frisian tritich (“thrity"), Dutch dertig (“thrity"), German dreißig (“thirty").
From Wiktionary
-
Middle English thritty, thirty from Old English thrītig trei- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
Find Similar Words
Find similar words to thirty using the buttons below.